Reduced varicose vein symptoms
Decreases pain, swelling, and appearance of varicose veins
Horse Chestnut Extract
Clinically proven extract from horse chestnut seeds specializing in venous circulation and varicose vein support
Scientific nameAesculus hippocastanum
FormulaAescin (triterpenoid saponins)
Molecular weight1131.26 (β-aescin) g/mol
CAS6805-41-0
70
absorption score
8
safety / 10
30
USD per month
5
documented interactions
Check it against something
Horse Chestnut Extract with:
- Amylase
- Ashwagandha
- Avocado Oil
- BCAA (Branched-Chain Amino Acids)
- Beetroot Powder
- Beta-Alanine
- Bifidobacterium lactis
- Bifidobacterium longum
- Bovine Collagen
- Caffeine
- Calcium
- Calcium Bone Formula
- Calcium Carbonate
- Casein Protein
- Chicken Collagen
- Choline (Bitartrate)
- Chondroitin Sulfate
- Coconut Oil
- Collagen Peptides
- Comprehensive Immune Support Complex
- Comprehensive Multivitamin-Mineral Complex
- Creatine HCL
- Creatine Monohydrate
- D-Mannose
- DHA
- Electrolyte Blend
- EPA
- Fish Oil (EPA/DHA)
- Folate (5-MTHF)
- Ginger
- Iron Fumarate
- Iron Sulfate
- Joint Mobility Formula
- Keratin
- Krill Oil
- L-Carnitine
- L-Citrulline
- Lactase
- Lactobacillus acidophilus
- Lactobacillus rhamnosus
- Lipase
- Magnesium Citrate
- Magnesium Glycinate
- Magnesium Oxide
- Marine Collagen
- Melatonin
- Modafinil
- Olive Oil Extract
- Omega-3 + Curcumin + Vitamin D Triple Anti-Inflammatory Formula
- Papain
- Protease
- Saccharomyces boulardii
- Turmeric
- Vitamin B12 (Cyanocobalamin)
- Vitamin B12 (Methylcobalamin)
- Vitamin C (Ascorbic Acid)
- Vitamin C (Sodium Ascorbate)
- Vitamin D3
- Whey Protein
- Zinc Gluconate
Nothing found
78
out of 100
Works better together
Compatible. Timing differs, so follow each supplement's own window.
What it does
mechanism and evidence for each claimImproved venous circulation
Enhances blood return from legs to heart
Reduced leg swelling and edema
Significantly decreases fluid retention in legs
Relief from heavy leg sensation
Reduces feeling of tired, heavy legs
Anti-inflammatory vascular effects
Reduces inflammation in blood vessels
Others take these for the same thing
Same goal, different mechanism — check any of them against this one
Coenzyme Q10 (CoQ10)
Heart health & cellular energy
100-200mg
A
10%
Fish Oil (EPA/DHA)
Heart & brain health
1-2g EPA/DHA
A
85%
Psyllium Husk
Digestive health & cholesterol support
5-15g
A
95%
Calcium Citrate
Superior absorption bone & heart health
500-1200 mg
A
45%
Taurine
Cardiovascular & exercise support
1-3g
A
95%
L-Citrulline
Athletic performance & circulation
3-8g
A
95%
Every pair we checked
12 combinations scored by the engine
Horse Chestnut Extract + Caffeine
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Creatine Monohydrate
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Calcium Carbonate
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Whey Protein
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Lactase
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Bovine Collagen
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + DHA
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Turmeric
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Fish Oil (EPA/DHA)
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Magnesium Oxide
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Marine Collagen
No documented interaction either way
No known interaction
70
Horse Chestnut Extract + Vitamin D3
Enhanced collagen synthesis and vein wall strength
Works better together
78
Dosage
Daily300mg twice daily
Venous insufficiency300mg twice daily (16-20% aescin)
Varicose vein support300mg twice daily
Maintenance300mg daily
MaximumDo not exceed 600mg daily
When to expect it
First Effects1-2 weeks for reduction in leg heaviness and swelling
Peak Benefits8-12 weeks for optimal venous health improvements
Deficiency DevelopmentNot applicable - herbal supplement
Toxicity OnsetOnly with raw/unprocessed seeds
How to measure it
MarkerVenous function tests, inflammation markers
OptimalImproved venous reflux and reduced inflammation
Deficient belowNot applicable for herbal supplement
FrequencyClinical assessment of leg symptoms and circulation
What people actually reported to the FDA
CAERS, 4 reports naming it as the suspectMost reported effects
Named as the suspect
4 reports
of 5 that mention it at all
Serious outcome
88%
hospitalisation, emergency room or worse
Other Serious or Important Medical Event3
Hospitalization2
Visited a Health Care Provider1
Reports are voluntary and unverified — they record what someone experienced while taking something, not what the compound caused. Counts skew towards products people take a lot of, and a serious outcome is more likely to be reported than a mild one, so these are not rates. How we filter them →
What actually reaches you
The label counts the carrier, your body does not
Absorption
High 70 of 100 · absorbs well relative to other forms
Delivered daily
210 mg
Cost per 100 mg delivered
$0.48 comparative — uses the absorption score, not a measured percentage
Works better with
+
Vitamin C
Enhanced collagen synthesis and vein wall strength
Vitamin C supports collagen formation in vein walls · level B
+
Diosmin Hesperidin
Complementary venous support and circulation
Both support venous tone through different pathways · level B
+
Compression Therapy
Synergistic benefits for venous insufficiency
Mechanical and biochemical support work together · level AWhat not to take with Horse Chestnut Extract
!
Excessive Sodium
May worsen fluid retention and edema
High sodium promotes fluid retention · moderate significance
!
Prolonged Standing
Counteracts circulation benefits
Standing increases venous pressure and pooling · high significanceMedication interactions
Discuss these with a pharmacist before combiningTheoretical bleeding risk increase
What to do: Monitor for bleeding signs
May affect blood sugar levels
What to do: Monitor blood glucose
May enhance fluid-reducing effects
What to do: Monitor fluid balance
Available forms
Standardized Seed Extract (16-20% Aescin): Strong evidence, Vein-specific, Well-tolerated, Fast results
Food sources
Raw horse chestnuts
NOT SAFE - contains toxic esculin · Toxic
Processed seed extracts only
16-20% aescin concentrated · 70
Traditional preparations
Variable and potentially unsafe · Not recommended
Standardized supplements only
Safe processed extracts · 70
Too little
- Not applicable (herbal supplement, not essential nutrient):
- Conditions addressed by horse chestnut:
- Varicose veins and spider veins
- Heavy, tired legs
- Leg swelling and edema
- Chronic venous insufficiency
- Poor venous circulation
Too much
- Generally safe with processed extracts but avoid:
- Raw horse chestnuts (kidney toxic)
- Digestive upset with high doses
- Skin irritation with topical use
- Allergic reactions in sensitive individuals
Who benefits most
varicose-veins
Excellent evidence for reducing varicose vein symptoms
300mg twice daily (16-20% aescin)
chronic-venous-insufficiency
Proven benefits for CVI symptoms and circulation
300mg twice daily
leg-swelling-edema
Significantly reduces fluid retention in legs
300mg twice daily
heavy-leg-syndrome
Provides relief from tired, heavy feeling in legs
300mg daily
pregnancy-leg-issues
May help with pregnancy-related leg circulation (with medical approval)
Lower doses under medical supervisionWhere to buy it
Look for Horse Chestnut Extract at 300mg twice daily per serving. The form that matters here is Standardized Seed Extract (16-20% Aescin).
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What else affects it
Beyond other supplements
!
Excessive sodium
May worsen fluid retention and edema
High sodium promotes fluid retentionHow it works
- Aescin increases venous tone and elasticity
- Reduces capillary permeability and fluid leakage
- Strengthens vein walls and supports valve function
- Anti-inflammatory effects reduce vascular inflammation
- Improves lymphatic drainage and reduces edema
- Protects endothelium from oxidative damage
Key findings
what the evidence supports- Highly effective for chronic venous insufficiency and varicose veins
- Effects comparable to compression stockings in clinical trials
- Generally safe when using processed extracts only
- Specific benefits for venous rather than arterial circulation
Sources: NIH Examine.com · data reviewed 2026-08-02
Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →
Common questions
What are the benefits of Horse Chestnut Extract?
Documented effects: Reduced varicose vein symptoms; Improved venous circulation; Reduced leg swelling and edema; Relief from heavy leg sensation. Decreases pain, swelling, and appearance of varicose veins
How much Horse Chestnut Extract should you take per day?
The common daily range is 300mg twice daily. By goal — venous insufficiency: 300mg twice daily (16-20% aescin); varicose vein support: 300mg twice daily; maintenance: 300mg daily; maximum: Do not exceed 600mg daily.
When is the best time to take Horse Chestnut Extract?
With food. First effects are typically reported within 1-2 weeks for reduction in leg heaviness and swelling.
What are the side effects of Horse Chestnut Extract?
At excessive doses: Generally safe with processed extracts but avoid:, Raw horse chestnuts (kidney toxic), Digestive upset with high doses, Skin irritation with topical use, Allergic reactions in sensitive individuals. Safety rating at normal doses is 8 out of 10.
What should you not take with Horse Chestnut Extract?
Separate it from Excessive Sodium, Prolonged Standing by two to four hours. May worsen fluid retention and edema
Does Horse Chestnut Extract interact with medications?
Documented interactions with anticoagulants, diabetes-medications, diuretics. Discuss these with a pharmacist before combining.
How do you know if you need Horse Chestnut Extract?
The marker is Venous function tests, inflammation markers, optimal range Improved venous reflux and reduced inflammation. Common deficiency signs: Not applicable (herbal supplement, not essential nutrient):, Conditions addressed by horse chestnut:, Varicose veins and spider veins, Heavy, tired legs.